A warning to Nasrallah: 'Israel will respond harshly to Hezbollah'
Arab officials caution Hezbollah against provoking Israel.
Hezbollah members carry mock rockets next to a poster of the group's leader Sayyed Hassan Nasrallah [FIle](photo credit: REUTERS)ByYASSER OKBI/ MAARIV HASHAVUAUpdated: